India. Registrar General & Census Commissioner & Nanda, A. R. (1988). Census of India 1991. Series - 1 India. Paper 3 of 1991: Provisional population totals: workers and their distribution. Controller of Publication, Civil Lines.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিIndia. Registrar General & Census Commissioner এবং Amulya Ratna Nanda. Census of India 1991. Series - 1 India. Paper 3 of 1991: Provisional Population Totals: Workers and Their Distribution. Controller of Publication, Civil Lines, 1988.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিIndia. Registrar General & Census Commissioner এবং Amulya Ratna Nanda. Census of India 1991. Series - 1 India. Paper 3 of 1991: Provisional Population Totals: Workers and Their Distribution. Controller of Publication, Civil Lines, 1988.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.